const createUploader = () => {
  let uploader = new AliyunUpload.Vod({
    timeout: 60000,
    partSize: 1048576,
    parallel: 5,
    retryCount: 3,
    retryDuration: 2,
    region: 'cn-shanghai',
    userId: JSON.parse(localStorage.getItem('user')).id,
    localCheckpoint: true, //此参数是禁用服务端缓存，不影响断点续传
    // 开始上传
    onUploadstarted: function (uploadInfo) {
      // 如果是 UploadAuth 上传方式, 需要调用 uploader.setUploadAuthAndAddress 方法
      // 如果是 UploadAuth 上传方式, 需要根据 uploadInfo.videoId是否有值，调用点播的不同接口获取uploadauth和uploadAddress
      // 如果 uploadInfo.videoId 有值，调用刷新视频上传凭证接口，否则调用创建视频上传凭证接口
      // 注意: 这里是测试 demo 所以直接调用了获取 UploadAuth 的测试接口, 用户在使用时需要判断 uploadInfo.videoId 存在与否从而调用 openApi
      // 如果 uploadInfo.videoId 存在, 调用 刷新视频上传凭证接口(https://help.aliyun.com/document_detail/55408.html)
      // 如果 uploadInfo.videoId 不存在,调用 获取视频上传地址和凭证接口(https://help.aliyun.com/document_detail/55407.html)
      if (!uploadInfo.videoId) {
        let createUrl =
          'https://demo-vod.cn-shanghai.aliyuncs.com/voddemo/CreateUploadVideo?Title=testvod1&FileName=aa.mp4&BusinessType=vodai&TerminalType=pc&DeviceModel=iPhone9,2&UUID=59ECA-4193-4695-94DD-7E1247288&AppVersion=1.0.0&VideoId=5bfcc7864fc14b96972842172207c9e6'
        axios.get(createUrl).then(({ data }) => {
          let uploadAuth = data.UploadAuth
          let uploadAddress = data.UploadAddress
          let videoId = data.VideoId
          uploader.setUploadAuthAndAddress(uploadInfo, uploadAuth, uploadAddress, videoId)
        })
        self.statusText = '文件开始上传...'
        console.log(
          'onUploadStarted:' +
            uploadInfo.file.name +
            ', endpoint:' +
            uploadInfo.endpoint +
            ', bucket:' +
            uploadInfo.bucket +
            ', object:' +
            uploadInfo.object,
        )
      } else {
        // 如果videoId有值，根据videoId刷新上传凭证
        // https://help.aliyun.com/document_detail/55408.html?spm=a2c4g.11186623.6.630.BoYYcY
        let refreshUrl =
          'https://demo-vod.cn-shanghai.aliyuncs.com/voddemo/RefreshUploadVideo?BusinessType=vodai&TerminalType=pc&DeviceModel=iPhone9,2&UUID=59ECA-4193-4695-94DD-7E1247288&AppVersion=1.0.0&Title=haha1&FileName=xxx.mp4&VideoId=' +
          uploadInfo.videoId
        axios.get(refreshUrl).then(({ data }) => {
          let uploadAuth = data.UploadAuth
          let uploadAddress = data.UploadAddress
          let videoId = data.VideoId
          uploader.setUploadAuthAndAddress(uploadInfo, uploadAuth, uploadAddress, videoId)
        })
      }
    },
    // 文件上传成功
    onUploadSucceed: function (uploadInfo) {
      console.log(
        'onUploadSucceed: ' +
          uploadInfo.file.name +
          ', endpoint:' +
          uploadInfo.endpoint +
          ', bucket:' +
          uploadInfo.bucket +
          ', object:' +
          uploadInfo.object,
      )
      self.statusText = '文件上传成功!'
    },
    // 文件上传失败
    onUploadFailed: function (uploadInfo, code, message) {
      console.log(
        'onUploadFailed: file:' + uploadInfo.file.name + ',code:' + code + ', message:' + message,
      )
      self.statusText = '文件上传失败!'
    },
    // 取消文件上传
    onUploadCanceled: function (uploadInfo, code, message) {
      console.log(
        'Canceled file: ' + uploadInfo.file.name + ', code: ' + code + ', message:' + message,
      )
      self.statusText = '文件已暂停上传'
    },
    // 文件上传进度，单位：字节, 可以在这个函数中拿到上传进度并显示在页面上
    onUploadProgress: function (uploadInfo, totalSize, progress) {
      console.log(
        'onUploadProgress:file:' +
          uploadInfo.file.name +
          ', fileSize:' +
          totalSize +
          ', percent:' +
          Math.ceil(progress * 100) +
          '%',
      )
      let progressPercent = Math.ceil(progress * 100)
      self.authProgress = progressPercent
      self.statusText = '文件上传中...'
    },
    // 上传凭证超时
    onUploadTokenExpired: function (uploadInfo) {
      // 上传大文件超时, 如果是上传方式一即根据 UploadAuth 上传时
      // 需要根据 uploadInfo.videoId 调用刷新视频上传凭证接口(https://help.aliyun.com/document_detail/55408.html)重新获取 UploadAuth
      // 然后调用 resumeUploadWithAuth 方法, 这里是测试接口, 所以我直接获取了 UploadAuth
      let refreshUrl =
        'https://demo-vod.cn-shanghai.aliyuncs.com/voddemo/RefreshUploadVideo?BusinessType=vodai&TerminalType=pc&DeviceModel=iPhone9,2&UUID=59ECA-4193-4695-94DD-7E1247288&AppVersion=1.0.0&Title=haha1&FileName=xxx.mp4&VideoId=' +
        uploadInfo.videoId
      axios.get(refreshUrl).then(({ data }) => {
        let uploadAuth = data.UploadAuth
        uploader.resumeUploadWithAuth(uploadAuth)
        console.log('upload expired and resume upload with uploadauth ' + uploadAuth)
      })
      self.statusText = '文件超时...'
    },
    // 全部文件上传结束
    onUploadEnd: function (uploadInfo) {
      console.log('onUploadEnd: uploaded all the files')
      self.statusText = '文件上传完毕'
    },
  })
  return uploader
}
